发明名称 |
A COMPOUND HAVING TRIFLUOROVINYL ETHER GROUP, COPOLYMER COMPRISING THE SAME, PREPARATION METHOD THEREOF AND OPTICAL FILMS OR DISPLAY SUBSTRATE USING THE SAME |
摘要 |
The present invention relates to a compound having a trifluorovinyl ether group, a polyimide copolymer comprising the same, a preparation method thereof and optical films or a display substrate using the same, and a polyimide copolymer comprising a trifluorovinyl ether group whereby, according to the present invention, maintains optical properties and has significantly improved chemical resistance due to the properties of a cross-linked structure of an aromatic polyimide, thereby being useful in various kinds of optical films and display substrates. |
申请公布号 |
KR20140055387(A) |
申请公布日期 |
2014.05.09 |
申请号 |
KR20120122113 |
申请日期 |
2012.10.31 |
申请人 |
KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY |
发明人 |
HONG, YE JI;KIM, BYOUNG GAK;HWANG, CHO RONG;WON, JONG CHAN;KIM, YONG SEOK;PARK, NO KYUN |
分类号 |
C08G73/10;C07C41/22;C07C43/17;G02B5/02 |
主分类号 |
C08G73/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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